Gas regulator



FIG. 1 is a perspective view of a gas regulator according to our new ornamental design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines shown in the figures are included for the purpose of illustrating portions of the gas regulator and form no part of the claimed design. 

CLAIM The ornamental design for a gas regulator, as shown and described. 